The following image shows an Activity-on-Arrow network for a simple project (assume all durations are in days).

 

Answer the following questions:

(a)    List all the paths through this network. (3 mark)

(b)    What is the critical path? (3 mark)

(c)     What is the duration of the project? (1 mark)

(d)    What would be the effect on the project completion date if task K took 3 days instead of 2 days? (1 mark)

(e)    What would be the effect on the project completion date if task C took 5 days instead of 4 days? (1 mark)

 

A = 1 1 B=3 C = 4 2 3 4 D=4 E=2 F = 3 5 G=2 1=6 H = 2 6 01 J = 1 7 K=2 8 L = 3 M = 3